Lighter



FIG. 1 is a perspective view of a lighter showing my new design with the broken line showing of a flame being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIGS. 3, 4 and 5 are rear elevational views thereof;

FIGS. 6 and 7 are top and bottom plan views thereof. 

The ornamental design for a lighter, as shown. 